PROJECTOthers

Others
OthersJuam Waterway Tunnel
Category T / K Basic & Detailed design
Client K-water
Contractor Hyundai E & C
Period September 18, 2015 ~ December 02, 2016
Project Information
  • Location
    Seungju-eup and Songgwang-myeon, Suncheon-si, Jeollanam-do, Korea

 

  • Description
    • Waterway Tunnel L = 11,230m
    • TBM L = 10,920m
    • NATM L = 307m
    • 2 Coffer dams
    • 2 Water towers

 

  • Technical Issues
    • Application of two open TBMs for rapid construction and securing the safety of adjacent existing waterway tunnel, which is unstable due to two collapses in the past
    • Design of the vertical shaft considering the effective mucking and environmental matters
    • Design of the tunnel considering the hydraulic characteristics and the improvement of durability and maintenance
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